Constant Proportionality from Tables
Constant of Proportionality from Graphs
Constant of Proportionality from Words
Unit Rates
Requirements
100
Drew paints portraits. Find the constant of proportionality if it is a proportional relationship
Time (in hours) = x Number of portraits = y
1 5
2 10
3 15
4 20
5 portraits per hour
100
Find the constant of proportionality with correct units
5 gallons per min
100
If its $28 for 4 meals, and $42 for 6 meals.
What is the Constant or K for cost PER lunch?
If none say none.
7
100
If you make $124 in 8 hours, how much money do you make PER hour?
$15.50
100
What is k mean in y=kx?
constant of proportionality
200
The table shows the amount earned by Harry for selling ice cream. Find k.
Cups Sold = x 3 5 7 9
Earnings ($) = y 12 20 28 36
CoP = 4
200
Find k with proper units.
k = 3 gallons per minute
200
Steak costs $30 for 2 pounds, and $50 for 4 pounds.
What is the Constant or K?
If none type none.
None
200
If a pack of 40 pencils cost $6.00, how much does is cost PER pencil?
0.15 or 15 cents
200
when you are looking at a graph the line is proportional if it passes through
the origin
300
Fred wrote notes during an exam. Find the CoP (with correct units) if it is a proportional relationship.
Notes (pages) 8 9 10 11
Time (in hours) 18 19 20 21
It is not proportional, there is no CoP.
300
Find the constant of proportionality with correct units
60 miles per hour
300
Candys bars are sold $18 for 12 bars, and $22.50 for 15 bars.
What is the Constant or K for cost PER bar?
If none write none.
1.5 or $1.50
300
In 52 weeks, a hotel has 39,000 visitors. How many visitors did they have PER week?
750 visitors
300
what are the two qualifications to tell if a line on a graph is proportional?
it passes through the origin and it is a straight line